China National Standards

China heater Industry Standards English PDF List


  •  China "heater" Industry Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    DY/T 7-2023 Basic functions and interface specifications of theater management system {译}
    影院管理系统基本功能和接口规范
    China Film industry Standards
    heater

    English PDF
    DY/T 8-2023 Digital cinema LED theater technical requirements and measurement methods {译}
    数字电影LED影厅技术要求和测量方法
    China Film industry Standards
    heater

    English PDF
    NB/T 11235-2023 Biomass clean air heater {译}
    生物质清洁暖风壁炉
    China Energy Industry Standards
    heater

    English PDF
    JB/T 14070-2022 Air source heat pump water heater unit for floor heating {译}
    地板采暖用空气源热泵热水机组
    China Machinery Industry Standards
    heater

    English PDF
    QB/T 5689-2022 Microchannel condensers for domestic and similar heat pump water heaters {译}
    家用和类似用途热泵热水器用微通道冷凝器
    China Light Industry Industry Standards
    heater

    English PDF
    NB/T 11041-2022 Air source heat pump water heater built-in zero cold water system technical conditions {译}
    空气源热泵热水器内置式零冷水系统技术条件
    China Energy Industry Standards
    heater

    English PDF
    QB/T 2590-2021 Storage water heater enamel parts{译} {译}
    储水式热水器搪瓷制件
    China Light Industry Industry Standards
    heater

    English PDF
    NB/T 10778—2021 Air-source carbon dioxide heat pump water heaters for commercial or industrial and similar use {译}
    商用或工业用及类似用途空气源二氧化碳热泵热水机
    China Energy Industry Standards
    heater

    English PDF
    NB/T 10777—2021 Low ambient temperature air source heat pump water heaters for commercial or industrial and similar use {译}
    商用或工业用及类似用途低环境温度空气源热泵热水机
    China Energy Industry Standards
    heater

    English PDF
    NB/T 10776—2021 Low ambient temperature air source heat pump water heaters for household and similar purposes {译}
    家用和类似用途低环境温度空气源热泵热水器
    China Energy Industry Standards
    heater

    English PDF
    NB/T 10552-2021 Technical conditions of small clean briquette water heater {译}
    小型洁净型煤水暖炉技术条件
    China Energy Industry Standards
    heater

    English PDF
    SN/T 1994.3-2020 Inspection Rules for Imported Boilers and Pressure Vessels Part 3: Gas Heating Water heaters {译}
    进口锅炉及压力容器检验规程 第3部分:燃气采暖热水炉
    China Import&Export Inspection Industry Standards
    heater

    English PDF
    NB/T 10464.3-2020 Technical Specification for Procurement of Solar Thermal Utilization System Part 3: Solar Water heater Project {译}
    太阳能热利用系统采购技术规范 第3部分:太阳能热水工程
    China Energy Industry Standards
    heater

    English PDF
    NB/T 20430-2017 (Technical Specification for Installation of Reactor Heap Structure in Non - dynamic Pressure Water heater Nuclear Power Plant)
    非能动压水堆核电厂反应堆堆顶结构安装技术规程
    China Energy industry Standards
    heater

    English PDF
    NB/T 34047-2017 (Code for installation of separate air source heat pump water heater)
    分体式空气源热泵热水器安装规范
    China Energy industry Standards
    heater

    English PDF
    SY/T 0524-2016 Code for heater system with heat-transfer oil
    导热油加热炉系统规范
    China Oil & Gas Industry Standards
    heater

    English PDF
    SY/T 0404-2016 Code for construction of heater installation engineering
    加热炉安装工程施工规范
    China Oil & Gas Industry Standards
    heater

    English PDF
    DL/T 750-2016 (Operation and maintenance of rotary air preheater)
    回转式空气预热器运行维护规程
    China Electricity & Power Standards
    heater

    English PDF
    JGJ 57-2016 (Code for architectural design of the theater)
    剧场建筑设计规范
    China Building & Construction Standards
    heater

    English PDF
    NB/T 47049-2016 (Technical conditions for manufacture of tubular air preheater)
    管式空气预热器制造技术条件
    China Energy industry Standards
    heater

    English PDF
    NB/T 34034-2016 (Air source heat pump water heater enamel storage tank)
    空气源热泵热水器搪瓷储热水箱
    China Energy industry Standards
    heater

    English PDF
    NB/T 34033-2016 (Home solar water heater bracket)
    家用太阳能热水器支架
    China Energy industry Standards
    heater

    English PDF
    QB/T 4979-2016 (Water heaters combined electric water heater)
    储水快热组合式电热水器
    China Light Industry Standards
    heater

    English PDF
    JC/T 892-2016 (Milky white quartz glass tube for infrared radiation heater)
    红外辐射加热器用乳白石英玻璃管
    China Building Materials Standards
    heater

    English PDF
    NB/T 20393-2016 (PWR nuclear power plant regulator electric heater technical conditions)
    压水堆核电厂稳压器电加热器技术条件
    China Energy industry Standards
    heater

    English PDF
    QB/T 4910-2016 Plastic tank of non-pressure for solar water heaters
    太阳能热水器非承压塑料内胆
    China Light Industry Standards
    heater

    English PDF
    NB/T 34027-2015 (Household and similar air source heat pump water heaters annual comprehensive energy efficiency test method)
    家用和类似用途空气源热泵热水器全年综合能效比测试方法
    China Energy industry Standards
    heater

    English PDF
    NB/T 34023-2015 Water storage tank with enamel interior for solar water heaters
    太阳能热水器搪瓷储热水箱
    China Energy industry Standards
    heater

    English PDF
    QB/T 4824-2015 heater for aquariums and similar application
    水族箱用及类似用途加热器
    China Light Industry Standards
    heater

    English PDF
    HG 20226-2015 Code for construction and acceptance for installation work of pipe heater
    管式炉安装工程施工及验收规范
    China Chemical Industry Standards
    heater

    English PDF
    SJ/T 11522-2015 (The main theater speaker system performance test methods)
    影院扬声器系统主要性能测试方法
    China Electronics Standards
    heater

    English PDF
    JJF 1261.16-2015 Rules of Metrology Testing for Energy Efficiency Label of Electrical Storage Water heaters
    储水式电热水器能源效率标识计量检测规则
    China Metrological Standards
    heater

    English PDF
    CJ/T 469-2015 Heat exchanger of gas water heater and gas heating boiler
    燃气热水器及采暖炉用热交换器
    China Urban Construction industry Standards
    heater

    English PDF
    CJ/T 113-2015 Gas Bred space heater
    燃气取暖器
    China Urban Construction industry Standards
    heater

    English PDF
    CJ/T 467-2014 Semi-instantaneous water heater
    半即热式换热器
    China Urban Construction industry Standards
    heater

    English PDF
    JC/T 465-2014 Preheater and precalciner for cement industry
    水泥工业用预热器分解炉系统装备技术条件
    China Building Materials Standards
    heater

    English PDF
    QB/T 4703-2014 Thermal storage room heaters
    储热式室内加热器
    China Light Industry Standards
    heater

    English PDF
    QB/T 4679-2014 Air-Conditioning(heat pump) and water heater for household and similar appliances
    家用和类似用途空调(热泵)热水器
    China Light Industry Standards
    heater

    English PDF
    NB/T 25031-2014 Guide of operation and maintenance for the moisture separator-reheater in nuclear power plants
    核电厂汽水分离再热器运行及维护指南
    China Energy industry Standards
    heater

    English PDF
    SN/T 1589.19-2014 (Import and export of household and similar electrical appliances testing procedures - Part 19: Domestic Solar Water heater)
    进出口家用和类似用途电器检验规程 第19部分:家用太阳能热水器
    China Import Export Inspection Standards
    heater

    English PDF
    SY/T 0540-2013 Type and basal parameters for heater used in petroleum industry
    石油工业用加热炉型式与基本参数
    China Oil & Gas Industry Standards
    heater

    English PDF
    SN/T 3241.7-2013 Technical requirements for the inspection of household and similar electrical appliances for import and export. Part 7: Energy efficiency of electric-resistance storage water heaters
    进出口家用及类似用途电器检验技术要求 第7部分:储水式电热水器的能效
    China Import Export Inspection Standards
    heater

    English PDF
    HG/T 20567-2013 Technical specification of hot oil heater
    热油炉技术条件
    China Chemical Industry Standards
    heater

    English PDF
    JJF 1261.9-2013 Rules of Metrology Testing for Energy Efficiency Label of Domestic Gas Instantaneous Water heater and Gas Fired Heating and Hot Water Combi-boilers
    家用燃气快速热水器和燃气采暖热水炉能源效率标识计量检测规则
    China Metrological Standards
    heater

    English PDF
    QB/T 4505-2013 Requirements of recycling for household water heater
    家用电热水器再生利用要求
    China Light Industry Standards
    heater

    English PDF
    QB/T 2164-2013 Household and similar purposes fan type PTCR heater
    家用和类似用途风扇型PTCR发热器
    China Light Industry Standards
    heater

    English PDF
    NB/T 25016.6-2013 Surveillance guide for conventional island equipment in nuclear power plants. Part 6: Feed water heater
    核电厂常规岛设备监造技术导则 第6部分:给水加热器
    China Energy industry Standards
    heater

    English PDF
    NB/T 25016.5-2013 Surveillance guide for conventional island equipment in nuclear power plants. Part 5: Moisture separator reheater
    核电厂常规岛设备监造技术导则 第5部分:汽水分离再热器
    China Energy industry Standards
    heater

    English PDF
    NB/T 25012-2013 Commissioning guidelines for moisture separator reheater system of nuclear power plant
    核电厂汽水分离再热器系统调试导则
    China Energy industry Standards
    heater

    English PDF
    JC/T 2173-2013 Ceramic tube for preheater of cement kiln system
    水泥预热器用陶瓷内筒挂片
    China Building Materials Standards
    heater

    English PDF
    SB/T 10995-2013 The technical rule of assembly and maintenance for household and similar hot-air pump water heater
    家用及类似用途热泵热水器安装和维修服务技术规范
    China Commerce Standards
    heater

    English PDF
    SB/T 10868-2012 Technical rule of disassembly/installation and maintenance for household burn gas water heater
    家用燃气快速热水器拆装和维修服务技术规范
    China Commerce Standards
    heater

    English PDF
    SB/T 10867-2012 Technical rule of disassembly/installation and maintenance for household storage water heaters
    家用储水式电热水器拆装和维修服务技术规范
    China Commerce Standards
    heater

    English PDF
    HG/T 4395-2012 Blend polyol for rigid polyurethane cellular plastics used in solar water heaters
    太阳能热水器用聚氨酯硬泡组合聚醚
    China Chemical Industry Standards
    heater

    English PDF
    SN/T 1589.18-2012 Rules for the inspection of household and similar electrical appliances for import and export. Part 18:Appliances for instantaneous water heaters
    进出口家用和类似用途电器检验规程 第18部分:即热式热水器
    China Import Export Inspection Standards
    heater

    English PDF
    SH/T 3036-2012 Fired heaters for general refinery service
    一般炼油装置用火焰加热炉
    China Petrochemical Industry Standards
    heater

    English PDF
    SN/T 3242.2-2012 Rules for the inspection of water heaters for import and export. Part 2: Gas water heaters
    进出口热水器检验规程 第2部分:燃气热水器
    China Import Export Inspection Standards
    heater

    English PDF
    SY 0031-2012 Safety regulations for heaters used in petroleum industry
    石油工业用加热炉安全规程
    China Oil & Gas Industry Standards
    heater

    English PDF
    SY/T 0538-2012 Specification for tubular heater
    管式加热炉规范
    China Oil & Gas Industry Standards
    heater

    English PDF
    NB/T 20092-2012 Inspection guide for the moisture separator reheater of pressurized water reactor nuclear power plants
    压水堆核电厂汽水分离再热器检验导则
    China Energy industry Standards
    heater

    English PDF
    QB/T 4096.24-2011 Performance of room heaters for household and similar purposes. Part 24: Particular requirements for liquid-filled radiators
    家用和类似用途室内加热器的性能 第24部分:充液式散热器的特殊要求
    China Light Industry Standards
    heater

    English PDF
    QB/T 4096.23-2011 Performance of room heaters for household and similar purposes. Part 23: Particular requirements for visibly glowing radiant heaters
    家用和类似用途室内加热器的性能 第23部分:可见灼热辐射式加热器的特殊要求
    China Light Industry Standards
    heater

    English PDF
    QB/T 4096.22-2011 Performance of room heaters for household and similar purposes. Part 22: Particular requirements for fan heaters
    家用和类似用途室内加热器的性能 第22部分:风扇式加热器的特殊要求
    China Light Industry Standards
    heater

    English PDF
    QB/T 4096.21-2011 Performance of room heaters for household and similar purposes. Part 21: Particular requirements for convector heaters
    家用和类似用途室内加热器的性能 第21部分:对流式加热器的特殊要求
    China Light Industry Standards
    heater

    English PDF
    NB/T 25004-2011 Performance test code for moisture separator reheaters
    汽水分离再热器性能试验规程
    China Energy industry Standards
    heater

    English PDF
    AQ 1085-2011 Safety technical specification of coal-burning air heater for intake of coal mine on the ground
    煤矿进风井地面用燃煤热风炉安全技术条件
    China Safety & Security Standards
    heater

    English PDF
    NB/T 47019.8-2011 Purchase technical specification for boiler and heater exchanger tubes/pipes. Part 8: Titanium and titanium/alloy
    锅炉、热交换器用管订货技术条件 第8部分:有色金属 钛和钛合金
    China Energy industry Standards
    heater

    English PDF
    NB/T 47019.7-2011 Purchase technical specification for boiler and heater exchanger tubes/pipes. Part 7: Copper and copper alloy/tube
    锅炉、热交换器用管订货技术条件 第7部分:有色金属 铜和铜合金
    China Energy industry Standards
    heater

    English PDF
    NB/T 47019.4-2011 Purchase technical specification for boiler and heater exchanger tubes/pipes. Part 4: Low alloy steel for low-temperature service
    锅炉、热交换器用管订货技术条件 第4部分:低温用低合金钢
    China Energy industry Standards
    heater

    English PDF
    NB/T 47019.3-2011 Purchase technical specification for boiler and heater exchanger tubes/pipes. Part 3: Non-alloy and alloy steel with specified elevated temperature properties
    锅炉、热交换器用管订货技术条件 第3部分:规定高温性能的非合金钢和合金钢
    China Energy industry Standards
    heater

    English PDF
    NB/T 47019.2-2011 Purchase technical specification for boiler and heater exchanger tubes/pipes. Part 2: Non-alloy and alloy steel with room temperature properties
    锅炉、热交换器用管订货技术条件 第2部分:规定室温性能的非合金钢和合金钢
    China Energy industry Standards
    heater

    English PDF
    NB/T 47019.6-2011 Purchase technical specification for boiler and heater exchanger tubes/pipes. Part 6: Ferrite/austenite duplex steel
    锅炉、热交换器用管订货技术条件 第6部分:铁素体/奥氏体型双相不锈钢
    China Energy industry Standards
    heater

    English PDF
    NB/T 47019.5-2011 Purchase technical specification for boiler and heater exchanger tubes/pipes. Part 5: Stainless steel
    锅炉、热交换器用管订货技术条件 第5部分:不锈钢
    China Energy industry Standards
    heater

    English PDF
    NB/T 47019.1-2011 Purchase technical specification for boiler and heater exchanger tubes/pipes. Part 1: General Requirements
    锅炉、热交换器用管订货技术条件 第1部分:通则
    China Energy industry Standards
    heater

    English PDF
    SH/T 3423-2011 High alloy cast tube and fitting of tubular heater in petrochemical engineering
    石油化工管式炉用铸造高合金炉管及管件技术条件
    China Petrochemical Industry Standards
    heater

    English PDF
    SH/T 3422-2011 Technical specification for stud tubes of tubular heater in petrochemical engineering
    石油化工管式炉钉头管技术标准
    China Petrochemical Industry Standards
    heater

    English PDF
    SH/T 3166-2011 Design specification for flue gas and air ducts of tubular heater in petrochemical engineering
    石油化工管式炉烟风道结构设计规范
    China Petrochemical Industry Standards
    heater

    English PDF
    QB/T 4142-2010 Testing and evaluation methods for reliability on household and similar electrical appliances. Particular requirements for water heaters
    家用和类似用途电器可靠性试验及评价方法 电热水器的特殊要求
    China Light Industry Standards
    heater

    English PDF
    QB/T 4101-2010 Tank for electrical storage water heater
    储水式电热水器内胆
    China Light Industry Standards
    heater

    English PDF
    QB/T 4096-2010 Performance of room heaters for household and similar purposes. Part 1: General requirements
    家用和类似用途室内加热器的性能 第1部分:通用要求
    China Light Industry Standards
    heater

    English PDF
    CJ/T 336-2010 Condensing domestic gas instantaneous water heaters
    冷凝式家用燃气快速热水器
    China Urban Construction industry Standards
    heater

    English PDF
    QB/T 4051-2010 Thermostatic mixing valves for solar water heater
    太阳能热水器用温控混合阀
    China Light Industry Standards
    heater

    English PDF
    SH/T 3602-2009 Testing and measurements code of burner tubular heater in petrochemical industry
    石油化工管式炉用燃烧器试验检测规程
    China Petrochemical Industry Standards
    heater

    English PDF
    DL/T 455-2008 Boiler steam air heater
    锅炉暖风器
    China Electricity & Power Standards
    heater

    English PDF
    QC/T 634-2007 Vehicle water-heating air heater mechanism
    汽车水暖式暖风装置
    China Automobile & Vehicle industry Standards
    heater

    English PDF
    SH/T 3420-2007 General specification for air preheater of tubular heater in petrochemical industry
    石油化工管式炉用空气预热器通用技术条件
    China Petrochemical Industry Standards
    heater

    English PDF
    SH/T 3511-2007 Technical specification for construction of ethylene cracking heater and hydrogen product reformer in petrochemical industry
    石油化工乙烯裂解炉和制氢转化炉施工技术规程
    China Petrochemical Industry Standards
    heater

    English PDF
    SH/T 3506-2007 Specification for construction and acceptance for installation work of tubular fired heater
    管式炉安装工程施工及验收规范
    China Petrochemical Industry Standards
    heater

    English PDF
    SH/T 3417-2007 Technical specification of weld engineering for high alloy steel tube of petrochemical tubular heater
    石油化工管式炉高合金炉管焊接工程技术条件
    China Petrochemical Industry Standards
    heater

    English PDF
    QC/T 769-2006 Gas fired heater for vehicle
    汽车燃气加热器
    China Automobile & Vehicle industry Standards
    heater

    English PDF
    SH/T 3070-2005 Specification for design of steel structure of tubular heater in petrochemical industry
    石油化工管式炉钢结构设计规范
    China Petrochemical Industry Standards
    heater

    English PDF
    SH/T 3065-2005 Technical standard for return bends and elbows of tubular heater in petrochemical industry
    石油化工管式炉急弯弯管技术标准
    China Petrochemical Industry Standards
    heater

    English PDF
    SN/T 1589.4-2006 Inspection regulations of the import and export of household and similar electrical appliances - Part 4: radiant electric heater
    进出口家用和类似用途电器检验规程 第4部分:辐射式电暖器
    China Import Export Inspection Standards
    heater

    English PDF
    SH/T 3045-2003 Calculation of the thermal efficiency for petrochemical tubular heaters
    石油化工管式炉热效率设计计算
    China Petrochemical Industry Standards
    heater

    English PDF
    SH/T 3128-2002 Ceramic fibre linings of fired heaters for general refinery service
    一般炼油装置火焰加热炉陶瓷纤维衬里
    China Petrochemical Industry Standards
    heater

    English PDF
    SH/T 3127-2001 Technical standard for chrome-molybdenum alloy steel plug-welding return of petrochemical tubular heater
    石油化工管式炉铬钼钢焊接回弯头技术规范
    China Petrochemical Industry Standards
    heater

    English PDF
    DL/T 748.8-2001 Guide of maintenance of boiler unit for thermal power station. Part 8: The maintenance of air preheater
    火力发电厂锅炉机组检修导则 第8部分:空气预热器的检修
    China Electricity & Power Standards
    heater

    English PDF
    SJ 20806-2001 Development requirements for the data base systems of the theater command automation systems
    战区指挥自动化系统数据库系统开发要求
    China Electronics Standards
    heater

    English PDF
    JJG(MH)0063-2001 Windshield heater System Test Set
    China Metrological Standards
    heater

    English PDF
    JJG 0063-2001 Windshield heater System Test Set
    China Metrological Standards
    heater

    English PDF
    SJ/T 11082-2000 Measuring methods of the heater of filament current and voltage for electronic tubes
    电子管热丝或灯丝电流和电压的测试方法
    China Electronics Standards
    heater

    English PDF
    SH/T 3114-2000 Engineering specification for heat resistant iron castings of petrochemical tubular fired heater
    石油化工管式炉耐热铸铁件工程技术条件(附条文说明)
    China Petrochemical Industry Standards
    heater

    English PDF
    SJ/T 11218-2000 General specification of compositive loudspeaker system for home theater
    家庭影院用组合扬声器系统通用规范
    China Electronics Standards
    heater

    English PDF
    SJ/T 11217-2000 General specification of surround audio amplifier for home theater
    家庭影院用环绕声放大器通用规范
    China Electronics Standards
    heater

    English PDF
    QC/T 324-2000 Automotive fuel air heater
    汽车燃油空气加热器
    China Automobile & Vehicle industry Standards
    heater

    English PDF
    SJ 20751-1999 General specifications for the theater command automation systems
    战区指挥自动化系统通用规范
    China Electronics Standards
    heater

    English PDF
    SJ 20754-1999 General specifications for the theater information processing systems
    战区消息处理系统通用规范
    China Electronics Standards
    heater

    English PDF
    SJ 20753-1999 General specifications for the theater graphics processing systems
    战区图形处理系统通用规范
    China Electronics Standards
    heater

    English PDF
    SJ 20752-1999 General specifications for the theater network communication systems
    战区网络通信系统通用规范
    China Electronics Standards
    heater

    English PDF
    QB/T 2445-1999 (Mineralized water heater)
    矿化水器
    China Light Industry Standards
    heater

    English PDF
    SH 3086-1998 Technical specification for steel structure engineering and parts installation of petrochemical tubular heater
    石油化工管式炉钢结构工程及部件安装技术条件
    China Petrochemical Industry Standards
    heater

    English PDF
    SH 3087-1997 Technical standard for heat resistant steel castings of petrochemical tubular heater
    石油化工管式炉耐热钢铸件技术标准
    China Petrochemical Industry Standards
    heater

    English PDF
    JC/T 669-1997 Toroidal swirl type shaft preheater intended to be used in the cement industry
    水泥工业用旋流式立筒预热器
    China Building Materials Standards
    heater

    English PDF
    QB/T 2278.2-1996 Domestic gas instantaneous water heater Self-absorption solenoid valve
    家用燃气快速热水器.自吸电磁阀
    China Light Industry Standards
    heater

    English PDF
    QB/T 2278.1-1996 Domestic gas instantaneous water heater Impact solenoid valve
    家用燃气快速热水器.冲击电磁阀
    China Light Industry Standards
    heater

    English PDF
    SJ/T 11063-1996 Tungsten heater element
    钨加热子
    China Electronics Standards
    heater

    English PDF
    QB 2165-1995 Safety requirement for fan type PTCR heaters for household and similar uses
    家用和类似用途的风扇型PTCR发热器安全要求
    China Light Industry Standards
    heater

    English PDF
    SJ/T 10623-1995 Series of filament voltage and heater voltage for electron tubes
    电子管灯丝与热丝电压系列
    China Electronics Standards
    heater

    English PDF
    TB/T 2622.2-1995 (Mobile rail pressure welding equipment heater technical conditions)
    移动式钢轨气压焊设备 加热器技术条件
    China Railway & Train Standards
    heater

    English PDF
    JG/T 5052.2-1994 Multi-nozzle circular pipeheater
    多嘴环管加热器
    China Building & Construction Standards
    heater

    English PDF
    SH/T 3065-1994 Technical standard for elbows and returns in petrochemical tubular heater
    China Petrochemical Industry Standards
    heater

    English PDF
    QC/T 29092-1992 (heater motors for automobiles)
    汽车用暖风电动机技术条件
    China Automobile & Vehicle industry Standards
    heater

    English PDF
    DL 470-1992 Test guidelines of utility boiler superheater and reheater
    电站锅炉过热器和再热器试验导则
    China Electricity & Power Standards
    heater

    English PDF
    SH/T 3045-1992 Calculation method of the thermal efficiency of petrochemical tubular heaters in design
    China Petrochemical Industry Standards
    heater

    English PDF
    JC/T 465-1992 (Cement industry calciner preheater system equipment technical conditions)
    China Building Materials Standards
    heater

    English PDF
    QB/T 1239-1991 Electric tankless water heaters
    快热式电热水器
    China Light Industry Standards
    heater

    English PDF

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